@import "https://cdn.jsdelivr.net/gh/orioncactus/pretendard/dist/web/static/pretendard.css";:root{--primary-color:#ff8c00;--primary-hover:#e07b00;--bg-color:#f7f9fc;--card-bg:#fff;--text-main:#333;--text-muted:#666;--border-color:#eaeaea;--border-radius:12px;--transition:all .3s ease;--header-bg:#fffffff2}[data-theme=dark]{--bg-color:#121212;--card-bg:#1e1e1e;--text-main:#fff;--text-muted:#d1d5db;--border-color:#333;--header-bg:#121212f2}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-main);font-family:Pretendard,Noto Sans KR,sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}ul{list-style:none}.fixed-header{background-color:var(--header-bg);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:1000;width:100%;position:fixed;top:0;left:0;box-shadow:0 2px 10px #0000000d}.header-container{justify-content:space-between;align-items:center;max-width:1100px;height:70px;margin:0 auto;padding:0 20px;display:flex}.logo{color:var(--primary-color);cursor:pointer;font-size:1.5rem;font-weight:800}.nav-menu{gap:20px;display:flex}.nav-link{color:var(--text-main);cursor:pointer;background:0 0;border:none;padding:8px 12px;font-family:inherit;font-size:1rem;font-weight:600;transition:color .2s}.nav-link:hover{color:var(--primary-color)}.container{max-width:1100px;margin:0 auto;padding:0 20px}.section{background-color:var(--bg-color);padding:70px 0;scroll-margin-top:70px}.section-label{letter-spacing:3px;color:var(--primary-color);text-transform:uppercase;margin-bottom:12px;font-size:.8rem;font-weight:800}.section-heading{color:var(--text-main);margin-bottom:12px;font-size:2.2rem;font-weight:800;line-height:1.3}.section-subheading{color:var(--text-muted);margin-bottom:40px;font-size:1.05rem}.section-title{color:var(--text-main);text-align:center;margin-bottom:40px;font-size:2rem;font-weight:700}.btn-primary{background-color:var(--primary-color);color:#fff;transition:var(--transition);cursor:pointer;border:none;border-radius:8px;padding:12px 24px;font-weight:600;display:inline-block}.btn-primary:hover{background-color:var(--primary-hover);transform:translateY(-2px);box-shadow:0 4px 12px #ff8c004d}.btn-outline{color:var(--primary-color);border:2px solid var(--primary-color);transition:var(--transition);cursor:pointer;background-color:#0000;border-radius:8px;padding:12px 24px;font-weight:600;display:inline-block}.btn-outline:hover{background-color:var(--primary-color);color:#fff;transform:translateY(-2px)}.profile-section{padding:80px 0 60px;scroll-margin-top:70px}.profile-grid{grid-template-columns:1fr 2fr;align-items:center;gap:60px;display:grid}.profile-left{text-align:center;flex-direction:column;justify-content:center;align-items:center;display:flex}.hero-profile-img{object-fit:cover;object-position:center 15%;border:4px solid #fff;border-radius:50%;width:320px;height:320px;margin-bottom:24px;box-shadow:0 8px 24px #00000014}.profile-name{letter-spacing:-.5px;margin-bottom:8px;font-size:2.2rem;font-weight:800}.profile-name span{color:var(--text-muted);margin:0 8px;font-weight:300}.profile-role{color:var(--primary-color);font-weight:700}.profile-subtitle{color:var(--text-muted);margin-bottom:24px;font-size:1.1rem;line-height:1.6}.hero-links{justify-content:center;gap:16px;display:flex}.profile-right{flex-direction:column;display:flex}.left-align{text-align:left;margin-bottom:20px}.about-paragraphs p{color:var(--text-muted);margin-bottom:16px;font-size:1.05rem}.personal-details{background-color:var(--card-bg);border-radius:var(--border-radius);border:1px solid var(--border-color);grid-template-columns:1fr 1fr;gap:20px;margin-top:20px;padding:24px;display:grid}.detail-item{align-items:flex-start;gap:12px;display:flex}.detail-icon{color:var(--primary-color);margin-top:4px;font-size:1.2rem}.detail-info{flex-direction:column;font-size:.95rem;line-height:1.4;display:flex}.detail-info strong{color:var(--text-main);margin-bottom:2px}.detail-info span{color:var(--text-muted);word-break:break-all}.detail-link{color:var(--primary-color)}.detail-link:hover{text-decoration:underline}@media (width<=900px){.profile-grid{grid-template-columns:1fr;gap:40px}}.skills-tabs{flex-wrap:wrap;gap:10px;margin-bottom:40px;display:flex}.skills-tab-btn{border:2px solid var(--border-color);color:var(--text-muted);cursor:pointer;transition:var(--transition);background:0 0;border-radius:30px;padding:8px 22px;font-family:inherit;font-size:.95rem;font-weight:700}.skills-tab-btn:hover{opacity:.85;border-color:currentColor}.skills-tab-btn.active{font-weight:800}.skills-grid{grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:16px;min-height:160px;display:grid}@keyframes fadeSlideIn{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.skill-card{background:var(--card-bg);border:1px solid var(--border-color);cursor:default;transition:var(--transition);border-radius:14px;flex-direction:column;align-items:center;gap:14px;padding:24px 16px;animation:.25s both fadeSlideIn;display:flex;box-shadow:0 2px 8px #00000008}.skill-card:hover{border-color:var(--card-accent,var(--primary-color));transform:translateY(-4px);box-shadow:0 8px 24px #00000014}.skill-logo-wrap{justify-content:center;align-items:center;width:56px;height:56px;display:flex}.skill-logo-img{object-fit:contain;width:44px;height:44px;transition:transform .2s}.skill-card:hover .skill-logo-img{transform:scale(1.15)}.skill-name{color:var(--text-main);text-align:center;font-size:.9rem;font-weight:700;line-height:1.3}.all-skills-row{border-top:1px solid var(--border-color);flex-wrap:wrap;gap:20px 40px;margin-top:48px;padding-top:32px;display:flex}.all-skills-group{flex-direction:column;gap:4px;display:flex}.all-skills-category{letter-spacing:1.5px;text-transform:uppercase;font-size:.75rem;font-weight:800}.all-skills-list{color:var(--text-muted);font-size:.9rem;font-weight:500}@media (width<=640px){.skills-grid{grid-template-columns:repeat(auto-fill,minmax(100px,1fr))}.all-skills-row{gap:16px 24px}}@media (width<=600px){.personal-details{grid-template-columns:1fr}}.timeline{flex-direction:column;gap:0;display:flex}.timeline-item{grid-template-columns:200px 40px 1fr;gap:0;min-height:100px;display:grid}.tl-left{flex-direction:column;align-items:flex-end;gap:10px;padding-top:28px;padding-right:20px;display:flex}.tl-period{color:var(--text-muted);text-align:right;font-size:.9rem;font-weight:700;line-height:1.4}.tl-badge{white-space:nowrap;border:1px solid;border-radius:20px;padding:3px 10px;font-size:.75rem;font-weight:700}.tl-line-col{flex-direction:column;align-items:center;padding-top:32px;display:flex}.tl-dot{z-index:1;background:#fff;border:3px solid;border-radius:50%;flex-shrink:0;width:14px;height:14px;transition:background .2s}.tl-connector{background-color:#e2e8f0;flex:1;width:2px;margin-top:6px;margin-bottom:0}.tl-right{padding-top:20px;padding-bottom:20px;padding-left:20px}.tl-card{background:var(--card-bg);border:1px solid var(--border-color);border-radius:var(--border-radius);cursor:pointer;transition:var(--transition);padding:24px 28px;box-shadow:0 2px 8px #00000008}.tl-card:hover{border-color:var(--primary-color);transform:translateY(-2px);box-shadow:0 6px 20px #ff8c0014}.tl-card-header{justify-content:space-between;align-items:flex-start;gap:12px;display:flex}.tl-title{color:var(--text-main);margin-bottom:6px;font-size:1.15rem;font-weight:700;line-height:1.4}.tl-role{color:var(--primary-color);font-size:.95rem;font-weight:600}.tl-toggle{color:var(--text-muted);flex-shrink:0;margin-top:4px;font-size:.8rem}.tl-details{border-top:1px solid var(--border-color);flex-direction:column;gap:10px;margin-top:20px;padding:16px 0 0;list-style:none;display:flex}.tl-details li{color:var(--text-muted);padding-left:18px;font-size:.95rem;line-height:1.6;position:relative}.tl-details li:before{content:"›";color:var(--primary-color);font-size:1.1rem;font-weight:700;line-height:1.4;position:absolute;left:0}@media (width<=768px){.timeline-item{grid-template-columns:1fr}.tl-left{flex-flow:wrap;align-items:flex-start;gap:8px;margin-bottom:8px;padding-top:0;padding-right:0}.tl-line-col{display:none}.tl-right{padding-top:0;padding-left:0}.tl-period{text-align:left}}.awards-grid{grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:24px;display:grid}.award-card{background:var(--card-bg);border:1px solid var(--border-color);transition:var(--transition);border-radius:16px;align-items:flex-start;gap:20px;padding:30px 24px;display:flex;position:relative;overflow:hidden}.award-card:before{content:"";background-color:var(--primary-color);width:5px;height:100%;transition:var(--transition);position:absolute;top:0;left:0}.award-card:hover{border-color:#ff8c0066;transform:translateY(-5px);box-shadow:0 12px 30px #00000014}.award-card:hover:before{width:8px}.award-card-icon{color:var(--primary-color);background:#ff8c001a;border-radius:14px;flex-shrink:0;justify-content:center;align-items:center;padding:18px;font-size:2.2rem;display:flex}.award-card-content{flex-direction:column;flex:1;display:flex}.award-contest{color:var(--text-main);margin-bottom:8px;font-size:1.15rem;font-weight:800;line-height:1.4}.award-rank{color:#fff;background-color:var(--primary-color);border-radius:20px;align-self:flex-start;margin-bottom:12px;padding:6px 14px;font-size:.85rem;font-weight:800;box-shadow:0 4px 10px #ff8c004d}.award-org{color:var(--text-muted);margin-bottom:6px;font-size:.95rem;font-weight:600}.award-date{color:#a0a0a0;font-size:.85rem}.project-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px;display:grid}.project-card{background:var(--card-bg);border-radius:var(--border-radius);border:1px solid var(--border-color);cursor:pointer;transition:var(--transition);flex-direction:column;display:flex;position:relative;overflow:hidden}.project-card:hover{border-color:var(--primary-color);transform:translateY(-8px);box-shadow:0 12px 24px #ff8c001a}.project-card-image-wrap{background-color:#f0f0f0;width:100%;padding-top:56.25%;position:relative;overflow:hidden}.project-thumb{object-fit:cover;width:100%;height:100%;position:absolute;top:0;left:0}.project-badge-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:2;background-color:#fffffff2;border:1px solid #ff8c0033;border-radius:100px;align-items:center;gap:6px;padding:6px 14px;display:flex;position:absolute;top:12px;right:12px;box-shadow:0 4px 15px #0000001a}.badge-icon{font-size:1rem}.badge-text{color:var(--primary-color);letter-spacing:-.01em;font-size:.75rem;font-weight:800}.project-info{flex-direction:column;flex:1;padding:24px;display:flex}.project-info h3{margin-bottom:8px;font-size:1.4rem}.project-role{color:var(--primary-color);margin-bottom:12px;font-size:.9rem;font-weight:600}.project-desc{color:var(--text-muted);flex:1;margin-bottom:20px;font-size:1rem}.project-tech{flex-wrap:wrap;gap:8px;display:flex}.tech-badge{color:var(--primary-color);background-color:#ff8c001a;border-radius:4px;padding:4px 10px;font-size:.8rem;font-weight:600}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;opacity:0;visibility:hidden;width:100%;height:100%;transition:var(--transition);background:#0009;justify-content:center;align-items:center;display:flex;position:fixed;top:0;left:0}.modal-overlay.open{opacity:1;visibility:visible}.modal-content{background:var(--card-bg);border-radius:var(--border-radius);width:90%;max-width:800px;max-height:90vh;transition:var(--transition);padding:40px;position:relative;overflow-y:auto;transform:translateY(20px)}.modal-overlay.open .modal-content{transform:translateY(0)}.modal-close{cursor:pointer;color:var(--text-muted);background:0 0;border:none;font-size:1.5rem;transition:color .2s;position:absolute;top:20px;right:20px}.modal-close:hover{color:var(--text-main)}.markdown-body{margin-top:30px}.markdown-body h3{border-bottom:1px solid var(--border-color);margin:24px 0 16px;padding-bottom:8px;font-size:1.5rem}.markdown-body p{color:var(--text-muted);margin-bottom:16px}.markdown-body ul,.markdown-body ol{color:var(--text-muted);margin-bottom:16px;padding-left:24px}.markdown-body li{margin-bottom:8px}.markdown-body strong{color:var(--text-main)}.contact-section{text-align:center;background-color:var(--bg-color);border-top:1px solid var(--border-color);padding:80px 0;scroll-margin-top:70px}.contact-links{justify-content:center;gap:24px;margin-top:30px;display:flex}.contact-item{color:var(--text-main);transition:var(--transition);flex-direction:column;align-items:center;gap:10px;font-size:1.1rem;display:flex}.contact-item:hover{color:var(--primary-color);transform:translateY(-3px)}.contact-icon{color:var(--text-muted);transition:var(--transition);font-size:2.5rem}.contact-item:hover .contact-icon{color:var(--primary-color)}@media (width<=768px){.about-grid{grid-template-columns:1fr}.hero h1{font-size:2.2rem}.hero-links{flex-direction:column;width:100%;max-width:300px}.btn-primary,.btn-outline{text-align:center;width:100%}.modal-content{padding:24px}}.project-detail-container{color:var(--text-main);flex-direction:column;gap:40px;line-height:1.6;display:flex}.detail-section{padding-bottom:20px}.section-sub-title{border-bottom:2px solid var(--border-color);color:var(--text-main);margin-bottom:20px;padding-bottom:10px;font-size:1.75rem;font-weight:700}.detail-list{margin-bottom:15px;padding:0;list-style:none}.detail-list.bullet{padding-left:20px;list-style:outside}.detail-list li{margin-bottom:10px}.img-fluid{border-radius:12px;width:100%;height:auto;margin-top:10px;box-shadow:0 4px 20px #00000014}.contribution-item{margin-bottom:30px}.contribution-heading{color:var(--primary-color);margin-bottom:15px;font-size:1.15rem;font-weight:700}.issue-card{background-color:var(--card-bg);border-left:5px solid var(--primary-color);border:1px solid var(--border-color);border-left:5px solid var(--primary-color);border-radius:12px;padding:24px}.issue-title{color:var(--text-main);margin-bottom:15px;font-size:1.1rem;font-weight:800}.metric-badge{color:var(--primary-color);background-color:#ff8c001f;border-radius:4px;padding:1px 8px;font-weight:800;display:inline-block}.metric-badge-green{color:#16a34a;background-color:#22c55e1f;border-radius:4px;padding:1px 8px;font-weight:800;display:inline-block}[data-theme=dark] .metric-badge-green{color:#4ade80;background-color:#4ade801f}.insight-block{border-left:4px solid var(--primary-color);color:var(--text-main);background-color:#ff8c000f;border-radius:0 8px 8px 0;margin:12px 0;padding:12px 16px;font-weight:600}.issue-details{padding-left:20px;font-size:.95rem;list-style:outside}.issue-details li{margin-bottom:8px}.code-block{color:#38bdf8;background-color:#1e293b;border-radius:8px;margin:15px 0;padding:20px;font-family:Fira Code,Courier New,monospace;font-size:.9rem;overflow-x:auto}.caption{color:var(--text-muted);text-align:center;margin-top:10px;font-size:.85rem;font-style:italic}.project-card--featured{border-color:#ff8c0073;box-shadow:0 12px 30px #ff8c001a}.project-card--featured .project-card-image-wrap{background:#061426}.project-card--featured .project-thumb{object-fit:contain}.project-period{color:var(--text-muted);margin:-4px 0 12px;font-size:.82rem;font-weight:600}.project-github-wrap{margin-bottom:16px}.project-github-link{color:var(--text-muted);overflow-wrap:anywhere;align-items:center;gap:8px;font-size:.85rem;transition:color .2s;display:inline-flex}.project-github-link:hover{color:var(--primary-color)}.detail-lead{color:var(--text-main);margin:22px 0;font-size:1.05rem;font-weight:700;line-height:1.8}.detail-metrics-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:22px 0;display:grid}.detail-metric-card{border:1px solid var(--border-color);background:#ff8c000d;border-radius:12px;flex-direction:column;gap:6px;padding:18px;display:flex}.detail-metric-value{color:var(--primary-color);font-size:1.15rem;font-weight:900}.detail-metric-label{color:var(--text-muted);font-size:.84rem;font-weight:600}.project-source-links{flex-wrap:wrap;gap:10px;display:flex}.project-source-links a{border:1px solid var(--border-color);color:var(--text-main);transition:var(--transition);border-radius:999px;padding:8px 14px;font-size:.86rem;font-weight:700}.project-source-links a:hover{border-color:var(--primary-color);color:var(--primary-color);transform:translateY(-2px)}.realtime-flow{border-radius:10px;grid-template-columns:repeat(6,minmax(0,1fr));margin:18px 0 22px;display:grid;overflow:hidden}.realtime-flow span{color:#fff;text-align:center;background:#0a2834;border-right:1px solid #fff3;padding:12px 8px;font-size:.75rem;font-weight:700;position:relative}.realtime-flow span:nth-child(2n){background:#155058}.realtime-flow span:last-child{border-right:0}.detail-youtube-card{margin:0 0 24px}.youtube-preview{aspect-ratio:16/9;background:#020617;border-radius:14px;display:block;position:relative;overflow:hidden;box-shadow:0 8px 28px #00000029}.youtube-preview img{object-fit:cover;border-radius:0;width:100%;height:100%;margin:0;transition:transform .3s;display:block}.youtube-preview:hover img{transform:scale(1.02)}.youtube-play{color:#fff;background:#f03;border-radius:14px;place-items:center;width:68px;height:48px;font-size:1.35rem;line-height:1;display:grid;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);box-shadow:0 8px 24px #00000047}.youtube-demo-copy{color:var(--text-muted);margin:16px 0 12px}.youtube-watch-button{color:var(--primary-color);align-items:center;font-weight:800;text-decoration:none;display:inline-flex}.youtube-watch-button:hover{text-decoration:underline}.detail-media-grid{grid-template-columns:1.4fr .6fr;align-items:stretch;gap:18px;display:grid}.detail-media-card{border:1px solid var(--border-color);background:#ff8c000a;border-radius:14px;flex-direction:column;justify-content:space-between;margin:0;padding:14px;display:flex}.detail-media-card--phone img{width:min(100%,240px);margin-inline:auto}.detail-media-card figcaption{color:var(--text-muted);text-align:center;margin-top:12px;font-size:.86rem;font-weight:700}.detail-video-card{border:1px solid var(--border-color);background:var(--card-bg);border-radius:14px;margin-top:24px;padding:20px}.detail-video{background:#000;border-radius:14px;width:min(100%,340px);max-height:620px;margin:0 auto 12px;display:block;box-shadow:0 8px 28px #00000029}@media (width<=768px){.detail-metrics-grid,.detail-media-grid{grid-template-columns:1fr}.realtime-flow{grid-template-columns:repeat(2,minmax(0,1fr))}.realtime-flow span{border-bottom:1px solid #fff3}}